- nsf.c: * handling of same named per-object and provided slots for Class objects * per-object slots are saved now under <obj>::per-object-slot::* * returning correct results when per-object slots are used * removed obsolete functions: NsfObjectListFree(), NsfObjectListAdd() * removed obsolete type NsfObjects * transformed ComputeSlotObjects() into a more generic AddSlotObjects() that can handle per-object slots as well - nx.tcl: * generalized slot object handling. * extended regression test